The students the Art Festival when I passed by their school.
| A．celebrate | B．were celebrating | C．will celebrate | D．have celebrated |
How _______ it is to feel the roller coaster _______ at full speed!
| A．exciting; to move | B．excited; move |
| C．exciting; move | D．excited; to move |
Don’t get off the bus __________ it stops.
| A．after | B．until | C．when | D．since |
James used _____ on the right in China, but he soon got used______ on
the left in England.
| A．to drive; to drive | B．to drive; driving |
| C．to driving; drive | D．to drive; to driving |
---Has he returned from Canada_________?
--- Yes, he’s _________ come back.
| A．yet; yet | B．ever; already |
| C．already; yet | D．yet; already |
--- Where have you _______? I didn’t see you a moment ago.
--- I ________ to the library.
| A．gone, have gone | B．gone, went |
| C．been, went | D．been, have gone |